Draft rigging



Dec. 30, 1924- ,52l,4l9

' D. S. BARROWS DRAFT RIGGING Filed Nov. 15, 1922 2 Sheets-Sheet llllllllll-Illlllllllllllllllll l; nv 71 N 'mum 'Jpfumnnnnnm im? r nurDec. 30, i924.

D. S. BARROWS DRAFT RIGGING Filed Nov. 13, 1922 2 Sheets-Sheet 2Iiiiiiiiiiiiiiiiiiiiiiiiillliiii'i'iiiiiiiiiiiiiliiiill i www LFMTE E l@l M w f w WWII. w .l n@ P@ 0 Patented Dec. 30,A 1924.

UNITED STATES PATENT OFFICE.

DONALD S. BARROWS, OF ROCHESTER, NEW YORK, ASSIGNOR TO THE T. H. SYMING-TON COMPANY, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

DRAFT RIGGIN G.

Application filed November 13,1922. ASerial No. 600,660.

To all whom t may concern.'

' Be it known that I, DONALD S. Bannows, a citizen of the United States,residing at Rochester, in the county of Monroe and State of New York,have invented certainy the purpose of transmitting to the car underframebufling shocks to which the draft rigging mechanism is subjected underservice conditions.

The principal featureof the invention, generally stated, is to provide aback stop casting having its end or buffing wall, the reinforcingportions therefor, and other webs and flanges arranged and disposed soas to economically distribute the metal and produce a casting Aofmaximum strength value but comparatively light in weight.

Particularly stated, the invention has for an object the provision of aback stop casting having a reinforced front face or buffing wall formedby diverging webs or flanges arranged transversely of the casting, saidwebs uniting the sid walls and forming a hollow chamber or columnportion between lthe spaced car sills to which latter the casting isconnected.

The invention further involves'the production of a back stop casting inwhich the b-ufing wall is adequately braced at a plurality of spacedpoints by means of transversely disposed webs-which provide a triangularreinforcement adjacent the butiing.

wall.

Another `object of the invention is to provide acombined back stop andcenter filler casting which may beeffectively used with car underframesof different types, said casting being provided with a reinforced bufingwall and a plurality of webs or flanges advantageously arranged aboutthe center thimble to receive and distribute without distortion theenormous shocks or blows to which the casting is subjected in actualservice.

A further` object of the invention resides in the provision of a. backstop member adapted to be connected to the ear sills and arranged tocooperate with a movable element of the draft rigging, said back stopmember being formed with maximum and readily accessible riveting areasat the most advantageous points for attaching the biick stop to the carunderframe.

lVith these and other objects in view, the invention further consists inthe combination and arrangement of the parts all as will hereinafterappear.

In the drawings illustrating the invention, the scope whereof is pointedout in the claims:

Figure l is a plan View of a back stop embodying the invention showingits assembled relation to a portion of the ear underframe and to a partof the draft rigging mechanism.

Figure 2 is a vertical longitudinal sectional view on the line 2 2 ofFigure l.

Figure 3 is a vertical transverse sectional view through the back stopcasting on the line 3-3 of Figure 2.'

Figure 4 is a plan view lpartly in section of a modified form of backstop embodying my invention.

Figure 5 is a vertical longitudinal sectional view on the line 5-5.ofFigure 4.

Figure 6 is a rear view in elevation of the modified form of back stopshown in Figures 4 and 5.

Figure `7 is a vertical transverse sectional view on the line 7 7 ofFigure 5 of the' modified form ,of back stop.

Figure 8 is a top plan view of still another form of modifiedconstruction embodying the invention, a part thereof being shown insection.

Figure 9. is a vertical longitudinal sectional view on the line 9 9 ofFigure 8.

Figure l0 is a rear view in elevation of the modified form of back stopshown in Figures 8 and 9.

Referring to the drawings in which similar reference charactersdesignate corresponding parts, the draft rigging l with which the backstop cooperates and spaced car sills 2 between and to which the backstop is secured, may be of any suit-ableeform. In the well known type ofdraft rigging, a portion of which is illustrated in the drawings, therear end of the draft yoke B is the movable part -of the draft riggingwhich is adapted to communicate bufiing shocks to the back stop. It isto be understood that this special form of draft rigging is merelyillustrative and is not disclosed for the purpose of limiting theinvention to use in conjunction therewith.

My invention, as embodied in the form of back stop shown invFigures 1, 2and 3, includes longitudinally extending side walls 4 each of which isprovided with a plurality of rows of openings adapted to receive theconnecting rivets 5, whereby the structure may be firmly connected tothe sills 2 of the car underframe. llach of the side walls 4 is providedalong its upper edge with relatively high portions or projections 6,said projecting portions being disposed forwardly and rearwardly of thecenter thimble 7 and arranged to provide an increased riveting areathrough which the uppermost row of rivets pass. A portion of each sidewall is c ut away, as indicated at 8, between the projecting portions 6,thereby reducing the relative weight of the casting but effectivelyvmaintaining a sufficient rivet-ing area at the most advantageouspoints.

The side walls 4 are preferably united at their front ends by means ofan upright transversely extending front end wall 9 adapted to form anabutment for the movable element or yoke 3 of the draft rigging. Thefront end wall 9 is also united to the side walls 4 by means of thediverging webs 10 transversely disposed immediately in the rear of saidfront end wall and arranged to yprovide a triangular reinforcement. Oneof the reinforcing webs 10 is united with the front wall relatively nearthe uppermost portion thereof, and the other of said webs is united withthe front wall near the low! ermost portion thereof, both of said webs-being united to each other in spaced relation from said end wall,thereby forming a hollow column or chamber-ed portion extendingtransversely of the casting immediately adjacent the rear of the bufingor front end wall 9. The hollow column or chambered portion ispreferably designed to extend transversely through the back sto casting,said hollow column or chambere portion opening directly. against the carvsills to which the side walls of the castingare connected. This type ofhollow column reinforcement provides a particularly effectiveconstruction which can be easily cast.

United to the diverging webs 10 at their juncture in the rear of thefront wall, is a longitudinally dispo-sed substantially horizontal web11, said web 11 being designed to unite the side walls 4 and alsoconnected to the center thimble 7. Openings 12 are providedin thehorizontal web 11 preferably adjacent the side walls thereof, saidopenings permitting access to the base or floor web 13 and moreparticularly the rivets 14 which secure the casting to the bolstercenter plate. The openings 12 are preferably ar` ranged in verticalalinement with the portion oflthe floor web 13 through 'which theattaching rivets 1,4 extend. Bracing webs 15 serve to unite the sidewalls with the horizontal web 11, said bracing webs extending beneaththe horizontal web and united with the floor web or base portion 13 ofthe casting transversely thereof, as best shown in Figure 3. Atransversely disposed upright web 16 unites the center thimble onopposite sides thereof with the side wallsksaid web 16 being disposed atthe inner edge of the horizontal web 11.

A longitudinallyl disposed centrally located upright web 17 extendsrearwardly from the front end wall 9, said upright web being united tothevdiverging webs 10 and the horizontally disposed web 11. The verticalweb 17 extends above and below the horizontal web'13, portions of saidupright web being connected to the base portion or floor web 13, andother portions of said upright web being united to the center thimble.`

The casting may be further braced at its rear portion bylongitudinally*extending ribs 18, said ribs being intersected bytransversely disposed vertical ribs 19, both of said i/ibs 13 and 19being united to the side walls, as shown. The ribs 19 project beneaththe horizontal ribs 18 and are united with the fioor web 13 of thecasting transversely thereof, forming in effect the rear wall of saidcasting. A rear bracing rib 20 may be provided longitudinally of thecasting, said bracing rib uniting the base portion or floor web of thecasting andthe center thimble.

ln Figures 4 to 1() inclusive, I have shown two modifications of myyinvention adapted for use with car underframes of. different types.These are but some of the various adaptations of my present inventionwhich in the forms shown herein involve a casting composed of spacedside walls, a rear wall, and a front end or buffing web suitably bracedor reinforced to resist t-e heavy strains incident to serviceconditions.

The form of back stop casting shown in Figures 4 to 7,inclusive,includes side walls 21 united at their forward ends by a transverselydisposed upright web 22, which web forms the bufling abutment of thecasting. Diverging rearwardly from the buffing wall 22 are bracing webs23, said webs being transversely arran ed adjacent the rear face of saidbufling' wal and united in spaced relation therefrom to form a hollowcolumn reinforcement of triangular contour. A longitudinally extendinghorizontal web 24 is united with the diverging webs 23 at their pointsof juncture, the lowermost of said webs 23 being united with thehorizontal web slightly in the rear of the junction of the uppermost web23 with'said horizontal Web 24. This relatively offset junction of therespective diverging webs 23 and the forward end of the horizontal yveb24 is clearly shown in Figure 5. The horizontal web extendslongitudinally through the casting to the rear wall 25 thereof and ispreferably inclined upwardly toward the longitudinal center of thecasting, as shown in Figures 6 `and 7. A vertical longitudinallyextending web 264 intersects the horizontal web 24 and also is unitedwith the respective diverging webs 23 and the front end wall 22. Thelower edge of the vertical or upright web 26 is united with the base orfloor web 27 of the casting.

The modification shown in Figures 8, 9 and l0 includes a casting formedwith side walls 28 united at their forward ends by an upright bufling orfront end wall 29. The front end wall is reinforced by transverselydisposed divergent webs 30, said webs uniting the side walls and frontwalls, and also beingunited to each other at the rear of the front endwall to form the triangular reinforcement best shown in Figure 9. Fromthe junction of the webs 30 extends a horizontal web 31, said webserving to unite the bracing webs 30 with the rear wall 32, and alsotransversely connecting the side walls of the casting. A centrallongitudinally extending upright web 33 intersects the horizontal web 31and serves to unite the front and rear walls of the casting, saidvertical web also being united to the diverging webs 30. Other bracingwebs 34 may be provided between the rear end of the casing and the sidewalls, and still other webs 35 may be interposed between the side wallsand horizontal web 31.

It will be perceived from my present invention that the metal isdisposed in sucha manner as to give maximum strength value to theseveralj parts and also provide ample and readily accessible space forconveniently inserting and driving the rivets connecting the casting tothe spaced car sills.

I of?? f t 1. ra t ri in ack sto com risin side walls adapegd besecuifed to Ispaced car sills, a'forwardend wall united to said sidewalls and adapted to form an abutment for a movable part of the draftrigging, and transversely disposed rearwardly extending converging websuniting the forward end wall to said side walls and forming a triangularreinforcing portion for said forward end wall.

2. A draft rigging back stop comprising side walls adapted to be securedto spaced car sills, a forward'end wall unitedto said side walls andadapted to form an abutment for a movable part of the draft rigging, anda plurality of rearwardly extending converging webs united to said frontend wall and to each other transversely of the back stop.

3. A draft rigging back stop comprising side walls adapted to be securedto spaced car sills, a forward end wall united to said side walls andadapted to form an abutment for a movable part of the drawing rigging,and means including a plurality of transversely disposed webs arrangedto form an angular reinforcement transversely adjacent said front endwall.

4. A draft rigging back stop comprising side walls adapted to beconnectedto spaced car sills, a forward end wall united to said sidewalls and adapted to form an abutment for a movable part of the draftrigging, and e. longitudinally extending web uniting said side walls andhaving branches united at a plurality of spaced points to said front endwall.

5. A draft rigging back stop comprising side walls adapted'to beconnected to spaced car sills, a forward end wall united to said sidewalls and adapted to form an abutment for a movable part of the draftrigging, and a longitudinally extending substantially horizontal webuniting said side walls, said horizontal web having branches at itsforward end united to said front end wall above and below ahorizontalplane passing through said horizontal web.

6. A draft rigging back stop comprising side walls adapted to beconnected to spaced car sills, a forward end wallv united to said sidewalls and adapted to forni an abutment for a movable part of the draftrigging, a longitudinally extending horizontal web uniting said sidewalls, a plurality of trans versely extending webs uniting the front endwall and side walls, said webs forming a hollow column with said frontend wall and a longitudinally extending vertical web uniting saidhorizontal web, transversely extending webs, and front end wall.

7. A draft rigging back stop comprising side walls adapted to beconnected to spaced car sills, a forward end wall united to said sidewalls and adapted to form arr abutment for a movable part of the draftrigging, and means including transversely disposed webs arranged to formwith said frontend Wall a hollow column adapted to reinforce the same.

8. A draft rigging back stop comprising side walls adapted to beconnected to spaced car sills, a forward end wall united to said sidewalls and adapted to form an abutment for a movable part of the draftrigging, and means including transversely arranged webs united to thefront end wall near the upper and lower edges thereof, said webs beingunited to each other in space-d relation from said front end wall andforming therewith a transversely extending hollow column.

9. A draft rigging back stop comprising vside walls adapted to beconnected to spaced car sills, a forward end wall united to said sidewalls and adapted to form an abutment for a movable part of the draftrigging, and means including transversely disposed webs united to thefront end wall in spaced relation, said webs being inclined withrelation to the front end wall and unit- Y ed to each other in thel rearof said front end wall to form a tra-nsversely extending hollow column.

1.0. A draft rigging back stop comprising side walls adapted to belconnected to spaced car sills, a front end wall adapted to form anabutment for the movable element of the draft rigging, a floor webadapted to be secured to the bolster, a. longitudinally disposed uprightweb extending rearwardly of the front end wall, and a longitudinallyextending substantially horizontal web uniting the front end Wall andSaid side walls, said horizontal web having openings therein upon eitherside of said upright web, said openings being in substantially verticalalinement with portions of said floor web.

l11. A combined draft rigging yback stop and center filler involvingside walls having relatively high portions therein, said side wallsbeing adapted to lbe connected tor spaced car sills, a front end wallunited to said side walls and forming an abutment for a movable elementof the draft rigging. an upright wall extending from said front wall, ahorizontal web uniting the side walls and said front end wall, aplurality of longitudinally arranged rivet openings in said side wallsupon either side of the horizontal web, and additional rivet openingsprovided in said relatively high portions of said side walls.

12. A draft rigging,back stop involving side walls adapted tobeconnected to spaced car sills, a lurallty of rivet openings provided insaid side walls, a front end wall to spaced car sills, a front end wallformingan-abutment for a movable part of the draft rigging, andtransversely extending V.reinforcing webs uniting said side walls andfront end wall, said webs being spaced from the frontend wall andforming a triangular opening extending transversely of the casting.

14. A draft rigging back stop involving side walls adapted to beconnected to spaced car sills, a front end wall adapted to form anabutment for a movable element of the draft rigging, and a` chamberedportion extending transversely of the casting adjacent the front endwall, Said chambered portion being open through to the side walls.

15. In ya draft rigging, the combination with spaced car sills,.of ayoke slidably mounted therebetween, a casting connected to said sillsand located in rear of said yoke, a buiiing web extending transverselyof said casting, a transversely disposed chambered portion adjacent saidbuffing web, said chambered portion opening against the car sills, andmeans for connecting the casting to said car sills.

In testimony whereof I affix my signature. i

DONALD s'. BARRows.

